Bicycle frame composed with convoluted curves



FIG. 1 is a left hand view of the first embodiment; the right hand view is a mirror image.

FIG. 2 is a top elevation view of the first embodiment.

FIG. 3 is a back elevation view of the first embodiment.

FIG. 4 is a left hand view of the second embodiment; the right hand view is a mirror image.

FIG. 5 is a back elevation view of the second embodiment; and,

FIG. 6 is a top elevation view of the second embodiment.

The broken lines showing other portions of a bicycle are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a bicycle frame composed with convoluted curves, as shown and described. 